For citations:
Shashel V.A., Pervishko O.V., Matalaeva S.Yu., Firsova V.N., Ivanenko A.S., Radchenko D.R., Panesh A.A. Frequency of comorbid diseases in children with cholelithiasis. Experimental and Clinical Gastroenterology. 2024;(6):109-115. (In Russ.) https://doi.org/10.31146/1682-8658-ecg-226-6-109-115